A New Leaf-Spot Disease of Polygonum Persicaria
نویسندگان
چکیده
منابع مشابه
Phenotypic Plasticity for Offspring Traits in Polygonum Persicaria
This paper investigates the effects of parental environment and genotype on offspring provisioning, structure, and growth traits in the annual plant Polygonum persicaria. Replicate offspring were studied from cloned individuals of five parental genotypes grown in high vs. low light, soil moisture, and soil nutrients. Genotypic norms of reaction were determined for ecologically important offspri...
متن کاملEffects of a lectin from Polygonum persicaria L. on Pieris brassicae L. (Lepidoptera: Pieridae)
In the current study, the entomotoxic effects of a lectin, extracted from Polygonum persicaria, were determined on Pieris brassicae larvae. The purified molecule significantly decreased larval survival, weight, and mass protein. Different concentrations of P. persicaria agglutinin (PPA) (0.5, 1 and 2 mg/ml) significantly decreased nutritional indices including: the efficiency of conversion of i...
متن کاملBacterial Brown Leaf Spot of Citrus, a New Disease Caused by Burkholderia andropogonis
Burkholderia andropogonis was first described as the causal agent of stripe disease of sorghum and leaf spot of velvet bean in 1911 (20); at that time, it was classified as Pseudomonas andropogonis. Pseudomonas woodsii was also described, in the same publication, as an important pathogen of carnation. These two pathogens were reclassified to the genus Burkholderia based on DNA-rRNA hybridizatio...
متن کاملColletotrichum gloeosporioides sensu stricto, the causal agent of a leaf spot disease of Schefflera arboricola in Iran
Schefflera arboricola is a flowering plant in the family Araliaceae; its common name is dwarf umbrella tree. It is an evergreen shrub and a popular ornamental plant, commonly grown as an indoor plant. During a sampling in 2015, a new leaf spot symptoms was observed on S. arboricola plants in several greenhouses in the Hamadan province, Iran. Most of the plants were se...
متن کاملPhenotypic Plasticity in Polygonum Persicaria. I. Diversity and Uniformity in Genotypic Norms of Reaction to Light.
Several aspects of genotype-environment interaction may act to modulate natural selection in populations that encounter variable environments. In this study the norms of reaction (phenotypic responses) of 20 cloned genotypes from two natural populations of the annual plant Polygonum persicaria were determined over a broad range of controlled light environments (8%-100% full sun). These data rev...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mycologia
سال: 1917
ISSN: 0027-5514,1557-2536
DOI: 10.1080/00275514.1917.12018922